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Loud Knock. Spun Bearing?
My car (74 911 w/ 3.2) has been in storage for a couple seasons awaiting a complete brake overhaul (it was a turbulent ride through the financial crisis) . This winter I finally bit the bullet and got the job done (story in and of itself), and the car was back on the road.
Well last night, I could be wrong, but I think a bearing must have let go. The motor began knocking loudly at all RPMs including at idle and in neutral. Although the motor didn't seize.
Previously I heard a light knocking under load, but thought it was something loose in the exhaust, as I had been messing around with the exhaust for SSI and M&K swap. The M&K had a failing weld on the tail pipe that was loose, so I didn't think much of it.
To be clear: I'm not qualified to rebuild the motor myself, but am willing to do some up front diagnoses.
I'm going to drain the oil tonight and see if there is anything on the plug and filter, but I'm sort of preparing for the worst.
(Note: updated to clarify current situation).
Last edited by tahoe_snow; 04-20-2010 at 02:46 PM..
Reason: Clarify conditions....
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